A spline to create a two-track viaduct on brick arches (originally 4-track, centre tracks removed), to be used with 'DDD HL2 2T 02 ...' scenic objects, which should be connected by using 'grey conc std clean ...' track (TS2010 built-in). The spline should be raised to suit the height of the scenic objects before they are attached (maximum 12 metres above base although the arches extend 12 metres lower so that the viaduct can span rivers). This is one of a range of matching splines and scenic items with names beginning 'DDD HL2...